1,1'-Ethylenebis(pyridinium)bromide 1,1'-Ethylenedipyridinium dibromide 882-35-9 Ethylenebis[pyridinium bromide] NSC10911 Pyridinium, 1,1'-(1,2-ethanediyl)bis-, dibromide Pyridinium, 1,1'-ethylenebis-, dibromide Pyridinium, 1,1'-ethylenedi-, bromide Pyridinium, 1,1'-ethylenedi-, dibromide